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70 lines
3.5 KiB
HTML
Executable File
70 lines
3.5 KiB
HTML
Executable File
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML>
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<HEAD>
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<TITLE>File-Based Devices</TITLE>
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<LINK REL='stylesheet' HREF='../../../boost.css'>
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<LINK REL='stylesheet' HREF='theme/iostreams.css'>
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</HEAD>
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<BODY>
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<!-- Begin Banner -->
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<H1 CLASS='title'>File-Based Devices</H1>
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<HR CLASS='banner'>
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<!-- End Banner -->
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<DL class='page-index'>
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<DT><A href='#overview'>Overview</A></DT>
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<DT><A href='#headers'>Headers</A></DT>
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<DT><A href='#reference'>Reference</A></DT>
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<DT><A href='#acknowledgements'>Acknowledgments</A></DT>
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</DL>
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<A NAME='overview'>
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<H2>Overview</H2>
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<P>The Iostreams Library provides three families of <A HREF='concepts.html#device_concepts'>Devices</A> for file access. The class templates <A HREF='classes/file.html#file_source'><CODE>file_source</CODE></A>, <A HREF='classes/file.html#file_sink'><CODE>file_sink</CODE></A> and <A HREF='classes/file.html#file'><CODE>file</CODE></A> are wrappers for <CODE>std::basic_filebuf</CODE> which are <A HREF='http://www.boost.org/libs/utility/CopyConstructible.html'>CopyConstructible</A> and <A HREF='http://www.boost.org/libs/utility/Assignable.html'>Assignable</A>. The class templates <A HREF='classes/file.html#mapped_file_source'><CODE>mapped_file_source</CODE></A>, <A HREF='classes/file.html#mapped_file_sink'><CODE>mapped_file_sink</CODE></A> and <A HREF='classes/file.html#mapped_file'><CODE>mapped_file</CODE></A> provide access to memory-mapped files on Windows an POSIX. The class templates <A HREF='classes/file.html#file_descriptor_source'><CODE>file_descriptor_source</CODE></A>, <A HREF='classes/file.html#file_descriptor_sink'><CODE>file_descriptor_sink</CODE></A> and <A HREF='classes/file.html#file_descriptor'><CODE>file_descriptor</CODE></A> implement Devices based on native operating system file descriptors.
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<A NAME='headers'>
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<H2>Headers</H2>
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<DL>
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<DT><A CLASS='header' HREF='../../../boost/iostreams/device/file.hpp'><CODE><boost/iostreams/device/file.hpp></CODE></A></DT>
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<DT><A CLASS='header' HREF='../../../boost/iostreams/device/mapped_file.hpp'><CODE><boost/iostreams/device/mapped_file.hpp></CODE></A></DT>
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<DT><A CLASS='header' HREF='../../../boost/iostreams/device/file_descriptor.hpp'><CODE><boost/iostreams/device/file_descriptor.hpp></CODE></A></DT>
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</DL>
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<A NAME='reference'>
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<H2>Reference</H2>
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<DL>
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<DT><A HREF='classes/file.html'>File Wrappers</A></DT>
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<DT><A HREF='classes/mapped_file.html'>Memory-Mapped File Devices</A></DT>
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<DT><A HREF='classes/file_descriptor.html'>File Descriptor Devices</A></DT>
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</DL>
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<A NAME='acknowledgments'>
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<H2>Acknowledgments</H2>
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<P>
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The memory-mapped file Devices are based on work of Craig Henderson (<A CLASS='bib_ref' HREF='bibliography.html#henderson'>[Henderson]</A>). The file descriptor Devices are based on work of Nicolai Josuttis (<A CLASS='bib_ref' HREF='bibliography.html#josuttis1'>[Josuttis1]</A> <I>pp.</I> 672-3 and <A CLASS='bib_ref' HREF='bibliography.html#josuttis2'>[Josuttis2]</A>).
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</P>
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<!-- Begin Footer -->
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<HR>
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<P CLASS='copyright'>Revised
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<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
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20 May, 2004
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<!--webbot bot="Timestamp" endspan i-checksum="38504" -->
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</P>
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<P CLASS='copyright'>© Copyright Jonathan Turkanis, 2004</P>
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<P CLASS='copyright'>
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Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <A HREF='http://www.boost.org/LICENSE_1_0.txt'>http://www.boost.org/LICENSE_1_0.txt</A>)
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</P>
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